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Wang H, Wang K, Bai S, Wei L, Gao Y, Zhi K, Guo X, Wang Y. Spatiotemporal control over self-assembly of supramolecular hydrogels through reaction-diffusion. J Colloid Interface Sci 2024; 664:938-945. [PMID: 38503079 DOI: 10.1016/j.jcis.2024.03.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 03/21/2024]
Abstract
Supramolecular self-assembly is ubiquitous in living system and is usually controlled to proceed in time and space through sophisticated reaction-diffusion processes, underpinning various vital cellular functions. In this contribution, we demonstrate how spatiotemporal self-assembly of supramolecular hydrogels can be realized through a simple reaction-diffusion-mediated transient transduction of pH signal. In the reaction-diffusion system, a relatively faster diffusion of acid followed by delayed enzymatic production and diffusion of base from the opposite site enables a transient transduction of pH signal in the substrate. By coupling such reaction-diffusion system with pH-sensitive gelators, dynamic supramolecular hydrogels with tunable lifetimes are formed at defined locations. The hydrogel fibers show interesting dynamic growing behaviors under the regulation of transient pH signal, reminiscent of their biological counterpart. We further demonstrate a proof-of-concept application of the developed methodology for dynamic information encoding in a soft substrate. We envision that this work may provide a potent approach to enable transient transduction of various chemical signals for the construction of new colloidal materials with the capability to evolve their structures and functionalities in time and space.
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Affiliation(s)
- Hucheng Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Kainan Wang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Shengyu Bai
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Lai Wei
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yuliang Gao
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Kangkang Zhi
- Department of Vascular Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China.
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yiming Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai 200237, China.
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Yang L, Zhang H, Wang C, Jiao Y, Pang X, Xu J, Ma H. Novel aerogels based on supramolecular G-quadruplex assembly with intrinsic flame retardancy and thermal insulation. J Colloid Interface Sci 2024; 672:618-630. [PMID: 38861849 DOI: 10.1016/j.jcis.2024.06.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 06/03/2024] [Accepted: 06/05/2024] [Indexed: 06/13/2024]
Abstract
The construction of supramolecular aerogels still faces great challenges. Herein, we present a novel bio-based supramolecular aerogel derived from G-Quadruplex self-assembly of guanosine (G), boric acid (B) and sodium alginate (SA) and the obtained GBS aerogels exhibit superior flame-retardant and thermal insulating properties. The entire process involves environmentally friendly aqueous solvents and freeze-drying. Benefiting from the supramolecular self-assembly and interpenetrating dual network structures, GBS aerogels exhibit unique structures and sufficient self-supporting capabilities. The resulting GBS aerogels exhibit overall low densities (36.5-52.4 mg/cm3), and high porosities (>95 %). Moreover, GBS aerogels also illustrate excellent flame retardant and thermal insulating properties. With an oxygen index of 47.0-51.1 %, it can easily achieve a V-0 rating and low heat, smoke release during combustion. This work demonstrates the preparation of intrinsic flame-retardant aerogels derived from supramolecular self-assembly and dual cross-linking strategies, and is expected to provide an idea for the realization and application of novel supramolecular aerogel materials.
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Affiliation(s)
- Le Yang
- College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Baoding 071002, China
| | - Hong Zhang
- College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Baoding 071002, China
| | - Chang Wang
- College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Baoding 071002, China
| | - Yunhong Jiao
- College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Baoding 071002, China.
| | - Xiuyan Pang
- College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Baoding 071002, China
| | - Jianzhong Xu
- College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Baoding 071002, China
| | - Haiyun Ma
- College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding 071002, China; The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Baoding 071002, China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, China.
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Tang J, Cheng Y, Ding M, Wang C. Bio-Inspired Far-From-Equilibrium Hydrogels: Design Principles and Applications. Chempluschem 2023; 88:e202300449. [PMID: 37787015 DOI: 10.1002/cplu.202300449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/28/2023] [Accepted: 09/29/2023] [Indexed: 10/04/2023]
Abstract
Inspired from dynamic living systems that operate under out-of-equilibrium conditions in biology, developing supramolecular hydrogels with self-regulating and autonomously dynamic properties to further advance adaptive hydrogels with life-like behavior is important. This review presents recent progress of bio-inspired supramolecular hydrogels out-of-equilibrium. The principle of out-of-equilibrium self-assembly for creating bio-inspired hydrogels is discussed. Various design strategies have been identified, such as chemical-driven reaction cycles with feedback control and physically oscillatory systems. These strategies can be coupled with hydrogels to achieve temporal and spatial control over structural and mechanical properties as well as programmable lifetime. These studies open up huge opportunities for potential applications, such as fluidic guidance, information storage, drug delivery, actuators and more. Finally, we address the challenges ahead of us in the coming years, and future possibilities and prospects are identified.
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Affiliation(s)
- Jiadong Tang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China
- Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing, 401120, China
| | - Yibo Cheng
- School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Muhua Ding
- School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Chen Wang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China
- Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing, 401120, China
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Chen J, Wang H, Long F, Bai S, Wang Y. Dynamic supramolecular hydrogels mediated by chemical reactions. Chem Commun (Camb) 2023; 59:14236-14248. [PMID: 37964743 DOI: 10.1039/d3cc04353c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Supramolecular self-assembly in a biological system is usually dominated by sophisticated metabolic processes (chemical reactions) such as catalysis of enzymes and consumption of high energy chemicals, leading to groups of biomolecules with unique dynamics and functions in an aqueous environment. In recent years, increasing efforts have been made to couple chemical reactions to molecular self-assembly, with the aim of creating supramolecular materials with lifelike properties and functions. In this feature article, after summarising the work of chemical reaction mediated supramolecular hydrogels, we first focus on a typical example where dynamic self-assembly of molecular hydrogels is activated by in situ formation of a hydrazone bond in water. We discuss how the formation of the hydrazone-based supramolecular hydrogels can be controlled in time and space. After that, we describe transient assembly of supramolecular hydrogels powered by out-of-equilibrium chemical reaction networks regulated by chemical fuels, which show unique properties such as finite lifetime, dynamic structures, and regenerative capabilities. Finally, we provide a perspective on the future investigations that need to be done urgently, which range from fundamental research to real-life applications of dynamic supramolecular hydrogels.
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Affiliation(s)
- Jingjing Chen
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Hucheng Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Feng Long
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Shengyu Bai
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Yiming Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
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Wang H, Fu X, Gu G, Bai S, Li R, Zhong W, Guo X, Eelkema R, van Esch JH, Cao Z, Wang Y. Dynamic Growth of Macroscopically Structured Supramolecular Hydrogels through Orchestrated Reaction-Diffusion. Angew Chem Int Ed Engl 2023; 62:e202310162. [PMID: 37671694 DOI: 10.1002/anie.202310162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/24/2023] [Accepted: 09/05/2023] [Indexed: 09/07/2023]
Abstract
Living organisms are capable of dynamically changing their structures for adaptive functions through sophisticated reaction-diffusion processes. Here we show how active supramolecular hydrogels with programmable lifetimes and macroscopic structures can be created by relying on a simple reaction-diffusion strategy. Two hydrogel precursors (poly(acrylic acid) PAA/CaCl2 and Na2 CO3 ) diffuse from different locations and generate amorphous calcium carbonate (ACC) nanoparticles at the diffusional fronts, leading to the formation of hydrogel structures driven by electrostatic interactions between PAA and ACC nanoparticles. Interestingly, the formed hydrogels are capable of autonomously disintegrating over time because of a delayed influx of electrostatic-interaction inhibitors (NaCl). The hydrogel growth process is well explained by a reaction-diffusion model which offers a theoretical means to program the dynamic growth of structured hydrogels. Furthermore, we demonstrate a conceptual access to dynamic information storage in soft materials using the developed reaction-diffusion strategy. This work may serve as a starting point for the development of life-like materials with adaptive structures and functionalities.
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Affiliation(s)
- Hucheng Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Xiaoming Fu
- Key Laboratory of Smart Manufacturing in Energy Chemical Process, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Guanyao Gu
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Shengyu Bai
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Runlai Li
- Department of Chemistry, National University of Singapore, Singapore, 119077, Singapore
| | - Weimin Zhong
- Key Laboratory of Smart Manufacturing in Energy Chemical Process, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Rienk Eelkema
- Department of Chemical Engineering, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Jan H van Esch
- Department of Chemical Engineering, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Zhixing Cao
- Key Laboratory of Smart Manufacturing in Energy Chemical Process, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Yiming Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
- Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
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Zhang Z, Liu T, Li Y, Yu Y, Ning L, Qiu X, Li C, Wang L, Xu W. Temporal Control of Fluorescent EuW 10 Aggregates for Autonomous DNA Capture and Information Encryption. Chemistry 2023; 29:e202301968. [PMID: 37486795 DOI: 10.1002/chem.202301968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/19/2023] [Accepted: 07/24/2023] [Indexed: 07/26/2023]
Abstract
Self-assembly exploits noncovalent interaction to offer an effective method for the fabrication of materials. For Na9 [EuW10 O36 ] ⋅ 32H2 O (EuW10 ), the negative charges and abundant oxygen atoms on its surface provide a handle for static self-assembly. New properties are envisioned for EuW10 aggregates which are able to display such kinetics and time-programming characteristics, in order to satisfy more complex and intelligent application scenarios, such as DNA binding and information encryption. In this work, EuW10 coupling with stimuli-responsive dodecyl dimethylamine oxide (C12 DMAO) can generate versatile aggregates with pH-responsive properties. We demonstrated the temporal programming of the assembly and disassembly of EuW10 nanospheres using a pH clock reaction of acid/urease hydrolysis. The pH clock reaction endows EuW10 assemblies with dynamical properties, in which the charges and fluorescence changes are coded in this system. These fluorescent assemblies provide new application in time-programmed DNA capture and information encryption.
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Affiliation(s)
- Zhuo Zhang
- School of Chemistry and Chemical Engineering, Center of Cosmetics, Qilu Normal University, Jinan, 250200, Shandong Province, China
| | - Ting Liu
- School of Chemistry and Chemical Engineering, Center of Cosmetics, Qilu Normal University, Jinan, 250200, Shandong Province, China
| | - Yawen Li
- School of Chemistry and Chemical Engineering, Center of Cosmetics, Qilu Normal University, Jinan, 250200, Shandong Province, China
| | - Yang Yu
- School of Chemistry and Chemical Engineering, Center of Cosmetics, Qilu Normal University, Jinan, 250200, Shandong Province, China
| | - Lin Ning
- School of Chemistry and Chemical Engineering, Center of Cosmetics, Qilu Normal University, Jinan, 250200, Shandong Province, China
| | - Xuefan Qiu
- School of Chemistry and Chemical Engineering, Center of Cosmetics, Qilu Normal University, Jinan, 250200, Shandong Province, China
| | - Chencan Li
- School of Chemistry and Chemical Engineering, Center of Cosmetics, Qilu Normal University, Jinan, 250200, Shandong Province, China
| | - Ling Wang
- School of Chemistry and Chemical Engineering, Center of Cosmetics, Qilu Normal University, Jinan, 250200, Shandong Province, China
| | - Wenlong Xu
- School of Chemistry and Materials Science, Ludong University, Yantai, 264025, Shandong Province, China
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Hong YK, Nakamoto M, Matsusaki M. Engineering metabolic cycle-inspired hydrogels with enzyme-fueled programmable transient volume changes. J Mater Chem B 2023; 11:8136-8141. [PMID: 37565488 DOI: 10.1039/d3tb00638g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
An enzyme-fueled transient volume phase transition (TVPT) of hydrogels under out-of-equilibrium conditions is reported. The approach takes inspiration from the metabolic cycle, comprising nutrient intake and anabolism/catabolism followed by waste excretion. The incorporation of methacrylic acid and acrylated trypsin in a polymeric hydrogel allowed the TVPT of the gel to be fueled by lysozyme. With the intake of lysozyme as fuel, the construction/destruction of electrostatic cross-linkages induced transient shrinkage/swelling of the gel accompanied by the depletion of lysozyme activity. The system's transient response could be flexibly programmed by adjusting not only the fuel concentration but the chemical composition of materials. The lysozyme-fueled TVPT of the gel could be exploited to transient changes in the mechanical properties of the gel. Our work opens a route toward a new class of stimuli-responsive hydrogels for biomedical applications.
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Affiliation(s)
- Young Kyoung Hong
- School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Masahiko Nakamoto
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Michiya Matsusaki
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
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Gao A, Han Q, Wang Q, Wan R, Wu H, Cao X. Bis-Pyridine-Based Organogel with AIE Effect and Sensing Performance towards Hg 2. Gels 2022; 8:gels8080464. [PMID: 35892723 PMCID: PMC9331886 DOI: 10.3390/gels8080464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 01/27/2023] Open
Abstract
A novel gelator (1) based on a bis-pyridine derivative was designed and synthesized, which could form stable gels in methanol, ethanol, acetonitrile, ethyl acetate, DMF/H2O (4/1, v/v) and DMSO/H2O (4/1, v/v). The self-assembly process of gelator 1 was studied by field emission scanning electron microscopy (FESEM), UV–vis absorption spectroscopy, fluorescence emission spectroscopy, Fourier transform infrared spectroscopy (FT-IR), X-ray powder diffraction and a water contact angle experiment. Gelator 1 exhibited obvious AIE behavior. On the base of its AIE, the gel of 1 could detect Hg2+, which resulted in fluorescence quenching and a gel–sol transition. 1H NMR titration experiments with Hg2+ revealed that the metal coordination interaction induced the fluorescence quenching and the breakdown of the noncovalent interaction in the gel system. This research provides a new molecular mode for designing a functional self-assembly gel system.
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Qi P, Yi M, Song A, Hao J. Guanine Analogue-Based Assemblies: Construction and Luminescence Functions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:7099-7106. [PMID: 35648843 DOI: 10.1021/acs.langmuir.2c00705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
As one of the natural nucleobases, guanine has attracted increasing interest in molecular self-assembly science because of its abundant interaction sites and high electron cloud density. Guanines, guanine derivatives, and guanine-rich DNA sequence are able to self-assemble into versatile aggregate structures by the means of hydrogen bonds and π-π, ion-dipole, solvophobic, and electrostatic interactions. Recent advances have shown that many guanine analogue-based (G-based) luminescent aggregates exhibit promising applications for fluorescent and chemiluminescent sensing and circularly polarized luminescence (CPL). This perspective summarizes the state-of-art strategies for constructing G-based assemblies and presents representative examples for luminescence functions. Finally, the inspirations are provided for exploiting unique G-based systems and luminescent G-based assemblies.
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Affiliation(s)
- Ping Qi
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, China
| | - Mengjiao Yi
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, China
| | - Aixin Song
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, China
| | - Jingcheng Hao
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, China
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